#include "head.h"

int main() {
    int a = 10, b = 3;
    printf("%d + %d == %d\n", a, b, add(a, b));
    printf("%d - %d == %d\n", a, b, sub(a, b));
    printf("%d * %d == %d\n", a, b, mult(a, b));
    printf("%d / %d == %d\n", a, b, div(a, b));
    return 0;
}